<div class="pg_cent bm pictrues">
  <div class="bm_c">
      <div class="pic_item tab_c block">
			  <ul class="ul_item">
				  	<li><img src="<%= @picture.image_url(:preview).to_s %>" /></li> 
			  </ul>
			  <div class="page">翻页</div>
			</div>
		</div>
	</div>
</div>
